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The Upper Trisuli Hydropower Project, also known as Upper Trisuli 3A, is a 60 MW run-of-river hydropower facility located across Rasuwa and Nuwakot districts in Bagmati Province, Nepal. It harnesses the flow from the Trisuli River, featuring two units of 30 MW each. The project was completed and became fully operational in 2019, with the first unit connected in May and the second in August. Key infrastructure includes a 4,095-meter long concrete and shortcrete-lined headrace tunnel, an underground powerhouse near Simle village, and a 48 km 220 kV double-circuit transmission line connecting to the Matatirtha substation in Kathmandu. The project is developed and operated by Nepal Electricity Authority (NEA), which also owns the power purchase agreement for the generated electricity. With a design discharge of 51 m³/s and gross head of 144.5 m, the plant generates an average annual net energy of approximately 460 GWh. The total project cost was estimated at about USD 125.8 million, including new access roads and infrastructure upgrades. The facility is an important part of Nepal’s power infrastructure, contributing significantly to the national grid.
Application for Survey License
Survey License Approved
Application for Generation License
Under Construction
Live